It looks like the original commit that copied the rom contents from
efi always copied the rom, and the fixup in setup_efi_pci from commit
886d751a2e ("x86, efi: correct precedence of operators in
setup_efi_pci") broke that.
This resulted in macbook pro's no longer finding the rom images, and
thus not being able to use the radeon card any more.
The solution is to just remove the check for now, and always copy the
rom if available.
Reported-by: Vitaly Budovski <vbudovski+news@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
For non-snoop mode, we fiddle with the page attributes of CORB/RIRB
and the position buffer, but also the ring buffers. The problem is
that the current code blindly assumes that the buffer is contiguous.
However, the ring buffers may be SG-buffers, thus a wrong vmapped
address is passed there, leading to Oops.
This patch fixes the handling for SG-buffers.
Bugzilla: https://bugzilla.novell.com/show_bug.cgi?id=800701
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Currently we use LPIB forcibly for both playback and capture for
Poulsbo and Oaktrail devices, and this seems rather problematic.
The recent fix for LPIB delay count seems working well with these
devices, so let's enable it instead.
Reported-by: Martin Weishart <martin.weishart@telosalliance.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
xtensa/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
Xtensa does not use dma_map_ops, hence it should implement them itself.
For now, use dummy implementations that just return -EINVAL, until the API
has been finalized.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-xtensa@linux-xtensa.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
parisc/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
Parisc does not use dma_map_ops, hence it should implement them itself.
For now, use dummy implementations that just return -EINVAL, until the
API has been finalized, as it cannot be supported on PA-RISC as-is.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>
Cc: linux-parisc@vger.kernel.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
mn10300/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
Mn10300 does not use dma_map_ops, hence it should implement them itself.
For now, use dummy implementations that just return -EINVAL, until the API
has been finalized.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-am33-list@redhat.com
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
m68k/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
M68k does not use dma_map_ops, hence it should implement them as inline
stubs using dma_common_mmap() and dma_common_get_sgtable().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-m68k@lists.linux-m68k.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
frv/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
Frv does not use dma_map_ops, hence it should implement them itself.
For now, use dummy implementations that just return -EINVAL, until the API
has been finalized.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
cris/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
Cris does not use dma_map_ops, hence it should implement them as inline
stubs using dma_common_mmap() and dma_common_get_sgtable().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-cris-kernel@axis.com
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
c6x/allmodconfig (assumed):
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
C6x does not use dma_map_ops, hence it should implement them itself.
For now, use dummy implementations that just return -EINVAL, until the API
has been finalized.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-c6x-dev@linux-c6x.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
blackfin/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
Blackfin does not use dma_map_ops, hence it should implement them as inline
stubs using dma_common_mmap() and dma_common_get_sgtable().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: uclinux-dist-devel@blackfin.uclinux.org
Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
avr32/allmodconfig:
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_mmap’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:204: error: implicit declaration of function ‘dma_mmap_coherent’
drivers/media/v4l2-core/videobuf2-dma-contig.c: In function ‘vb2_dc_get_base_sgt’:
drivers/media/v4l2-core/videobuf2-dma-contig.c:387: error: implicit declaration of function ‘dma_get_sgtable’
For architectures using dma_map_ops, dma_mmap_coherent() and
dma_get_sgtable() are provided in <asm-generic/dma-mapping-common.h>.
Avr32 does not use dma_map_ops, hence it should implement them as inline
stubs using dma_common_mmap() and dma_common_get_sgtable().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fairly small stuff - a build failure fix for ST platforms, an error
checking fix and an update to the MAINTAINERS file for Liam.
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Merge tag 'regulator-3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Fairly small stuff - a build failure fix for ST platforms, an error
checking fix and an update to the MAINTAINERS file for Liam."
* tag 'regulator-3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: tps80031: Use IS_ERR to check return value of regulator_register()
regulators: db8500: Fix compile failure for drivers/regulator/dbx500-prcmu.c
regulator: MAINTAINERS: update email address
Pull powerpc fixes from Benjamin Herrenschmidt:
"Whenever you have a chance between two dives, you might want to
consider pulling my merge branch to pickup a few fixes for 3.8 that
have been accumulating for the last couple of weeks (I was myself
travelling then on vacation).
Nothing major, just a handful of powerpc bug fixes that I consider
worth getting in before 3.8 goes final."
And I'll have everybody know that I'm not diving for several days yet.
Snif.
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Max next_tb to prevent from replaying timer interrupt
powerpc: kernel/kgdb.c: Fix memory leakage
powerpc/book3e: Disable interrupt after preempt_schedule_irq
powerpc/oprofile: Fix error in oprofile power7_marked_instr_event() function
powerpc/pasemi: Fix crash on reboot
powerpc: Fix MAX_STACK_TRACE_ENTRIES too low warning for ppc32
With lazy interrupt, we always call __check_irq_replaysome with
decrementers_next_tb to check if we need to replay timer interrupt.
So in hotplug case we also need to set decrementers_next_tb as MAX
to make sure __check_irq_replay don't replay timer interrupt
when return as we expect, otherwise we'll trap here infinitely.
Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
the variable backup_current_thread_info isn't freed before existing the
function.
Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
In preempt case current arch_local_irq_restore() from
preempt_schedule_irq() may enable hard interrupt but we really
should disable interrupts when we return from the interrupt,
and so that we don't get interrupted after loading SRR0/1.
Signed-off-by: Tiejun Chen <tiejun.chen@windriver.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The calculation for the left shift of the mask OPROFILE_PM_PMCSEL_MSK has an
error. The calculation is should be to shift left by (max_cntrs - cntr) times
the width of the pmsel field width. However, the #define OPROFILE_MAX_PMC_NUM
was used instead of OPROFILE_PMSEL_FIELD_WIDTH. This patch fixes the
calculation.
Signed-off-by: Carl Love <cel@us.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
commit f96972f2dc "kernel/sys.c: call disable_nonboot_cpus() in
kernel_restart()"
added a call to disable_nonboot_cpus() on kernel_restart(), which tries
to shutdown all the CPUs except the first one. The issue with the PA
Semi, is that it does not support CPU hotplug.
When the call is made to __cpu_down(), it calls the notifiers
CPU_DOWN_PREPARE, and then tries to take the CPU down.
One of the notifiers to the CPU hotplug code, is the cpufreq. The
DOWN_PREPARE will call __cpufreq_remove_dev() which calls
cpufreq_driver->exit. The PA Semi exit handler unmaps regions of I/O
that is used by an interrupt that goes off constantly
(system_reset_common, but it goes off during normal system operations
too). I'm not sure exactly what this interrupt does.
Running a simple function trace, you can see it goes off quite a bit:
# tracer: function
#
# TASK-PID CPU# TIMESTAMP FUNCTION
# | | | | |
<idle>-0 [001] 1558.859363: .pasemi_system_reset_exception <-.system_reset_exception
<idle>-0 [000] 1558.860112: .pasemi_system_reset_exception <-.system_reset_exception
<idle>-0 [000] 1558.861109: .pasemi_system_reset_exception <-.system_reset_exception
<idle>-0 [001] 1558.861361: .pasemi_system_reset_exception <-.system_reset_exception
<idle>-0 [000] 1558.861437: .pasemi_system_reset_exception <-.system_reset_exception
When the region is unmapped, the system crashes with:
Disabling non-boot CPUs ...
Error taking CPU1 down: -38
Unable to handle kernel paging request for data at address 0xd0000800903a0100
Faulting instruction address: 0xc000000000055fcc
Oops: Kernel access of bad area, sig: 11 [#1]
PREEMPT SMP NR_CPUS=64 NUMA PA Semi PWRficient
Modules linked in: shpchp
NIP: c000000000055fcc LR: c000000000055fb4 CTR: c0000000000df1fc
REGS: c0000000012175d0 TRAP: 0300 Not tainted (3.8.0-rc4-test-dirty)
MSR: 9000000000009032 <SF,HV,EE,ME,IR,DR,RI> CR: 24000088 XER: 00000000
SOFTE: 0
DAR: d0000800903a0100, DSISR: 42000000
TASK = c0000000010e9008[0] 'swapper/0' THREAD: c000000001214000 CPU: 0
GPR00: d0000800903a0000 c000000001217850 c0000000012167e0 0000000000000000
GPR04: 0000000000000000 0000000000000724 0000000000000724 0000000000000000
GPR08: 0000000000000000 0000000000000000 0000000000000001 0000000000a70000
GPR12: 0000000024000080 c00000000fff0000 ffffffffffffffff 000000003ffffae0
GPR16: ffffffffffffffff 0000000000a21198 0000000000000060 0000000000000000
GPR20: 00000000008fdd35 0000000000a21258 000000003ffffaf0 0000000000000417
GPR24: 0000000000a226d0 c000000000000000 0000000000000000 0000000000000000
GPR28: c00000000138b358 0000000000000000 c000000001144818 d0000800903a0100
NIP [c000000000055fcc] .set_astate+0x5c/0xa4
LR [c000000000055fb4] .set_astate+0x44/0xa4
Call Trace:
[c000000001217850] [c000000000055fb4] .set_astate+0x44/0xa4 (unreliable)
[c0000000012178f0] [c00000000005647c] .restore_astate+0x2c/0x34
[c000000001217980] [c000000000054668] .pasemi_system_reset_exception+0x6c/0x88
[c000000001217a00] [c000000000019ef0] .system_reset_exception+0x48/0x84
[c000000001217a80] [c000000000001e40] system_reset_common+0x140/0x180
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
dmraid assess redundancy and replacements slightly inaccurately which
could lead to some degraded arrays failing to assemble.
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Merge tag 'md-3.8-fixes' of git://neil.brown.name/md
Pull dmraid fix from NeilBrown:
"Just one fix for md in 3.8
dmraid assess redundancy and replacements slightly inaccurately which
could lead to some degraded arrays failing to assemble."
* tag 'md-3.8-fixes' of git://neil.brown.name/md:
DM-RAID: Fix RAID10's check for sufficient redundancy
This patch fixes MAX_STACK_TRACE_ENTRIES too low warning for ppc32,
which is similar to commit 12660b17.
Reported-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Tested-by: Christian Kujau <lists@nerdbynature.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Commit fb59581404 removed
xfs_flushinval_pages() and changed its callers to use
filemap_write_and_wait() and truncate_pagecache_range() directly.
But in xfs_swap_extents() this change accidental switched the argument
for 'tip' to 'ip'. This patch switches it back to 'tip'
Signed-off-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
One fix for the AMD IOMMU driver to work around broken BIOSes found in
the field. Some BIOSes forget to enable a workaround for a hardware
problem which might cause the IOMMU to stop working under high load
conditions. The fix makes sure this workaround is enabled.
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Merge tag 'iommu-fixes-v3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fix from Joerg Roedel:
"One fix for the AMD IOMMU driver to work around broken BIOSes found in
the field. Some BIOSes forget to enable a workaround for a hardware
problem which might cause the IOMMU to stop working under high load
conditions. The fix makes sure this workaround is enabled."
* tag 'iommu-fixes-v3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
IOMMU, AMD Family15h Model10-1Fh erratum 746 Workaround
We have some build failure fixes (twl4030, vexpress, abx500 and tps65910),
some actual runtime oops and lockup fixes (rtsx, da9052), and some more
hypothetical NULL pointers dereferences fixes for pcf50633 and max776xx.
Then we also have additional rtsx fixes for a correct switch output voltage
and clock divider correctness for rtl8411 (rtsx driver), and irqdomain fix for
db8550-prcmu, and some more cosmetic fixes for arizona and wm5102.
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Merge tag 'mfd-for-linus-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD fixes from Samuel Ortiz:
"This is the first pull request for MFD fixes for 3.8
We have some build failure fixes (twl4030, vexpress, abx500 and
tps65910), some actual runtime oops and lockup fixes (rtsx, da9052),
and some more hypothetical NULL pointers dereferences fixes for
pcf50633 and max776xx.
Then we also have additional rtsx fixes for a correct switch output
voltage and clock divider correctness for rtl8411 (rtsx driver), and
irqdomain fix for db8550-prcmu, and some more cosmetic fixes for
arizona and wm5102."
* tag 'mfd-for-linus-3.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: rtsx: Fix oops when rtsx_pci_sdmmc is not probed
mfd: wm5102: Fix definition of WM5102_MAX_REGISTER
mfd: twl4030: Don't warn about uninitialized return code
mfd: da9052/53 lockup fix
mfd: rtsx: Add clock divider hook
mmc: rtsx: Call MFD hook to switch output voltage
mfd: rtsx: Add output voltage switch hook
mfd: Fix compile errors and warnings when !CONFIG_AB8500_BM
mfd: vexpress: Export global functions to fix build error
mfd: arizona: Check errors from regcache_sync()
mfd: tc3589x: Use simple irqdomain
mfd: pcf50633: Init pcf->dev before using it
mfd: max77693: Init max77693->dev before using it
mfd: max77686: Init max77686->dev before using it
mfd: db8500-prcmu: Fix irqdomain usage
mfd: tps65910: Select REGMAP_IRQ in Kconfig to fix build error
mfd: arizona: Disable control interface reporting for WM5102 and WM5110
In routine _rtl_rx_pre_process(), skb_dequeue() is called to get an skb;
however, the wrong variable name is used in subsequent calls.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This issue was reported on the wireless list (see [1]) in which
brcmsmac ran into a fatal error:
[ 588.284074] brcmsmac bcma0:0: frameid != txh->TxFrameID
[ 588.284098] brcmsmac bcma0:0: MI_TFS: fatal
[ 588.284103] brcmsmac bcma0:0: wl0: fatal error, reinitializing
[ 588.286208] ieee80211 phy0: Hardware restart was requested
The tx status feedback is processed in a loop limiting the number of
frames processed in one run. The code terminate processing when the
limit is reached regardless the txstatus value read from the device
register. When that status is is flagged as being valid it must be
processed as the hardware will clear it after is has been read.
Bisecting was done by Seth Forshee and showed following commit as the
culprit:
commit 57fe504817
Author: Piotr Haber <phaber@broadcom.com>
Date: Wed Nov 28 21:44:07 2012 +0100
brcmsmac: fix bounds checking in tx/rx
[1] http://www.spinics.net/lists/linux-wireless/msg101293.html
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Seth Forshee <seth.forshee@canonical.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pull networking updates from David Miller:
"Much more accumulated than I would have liked due to an unexpected
bout with a nasty flu:
1) AH and ESP input don't set ECN field correctly because the
transport head of the SKB isn't set correctly, fix from Li
RongQing.
2) If netfilter conntrack zones are disabled, we can return an
uninitialized variable instead of the proper error code. Fix from
Borislav Petkov.
3) Fix double SKB free in ath9k driver beacon handling, from Felix
Feitkau.
4) Remove bogus assumption about netns cleanup ordering in
nf_conntrack, from Pablo Neira Ayuso.
5) Remove a bogus BUG_ON in the new TCP fastopen code, from Eric
Dumazet. It uses spin_is_locked() in it's test and is therefore
unsuitable for UP.
6) Fix SELINUX labelling regressions added by the tuntap multiqueue
changes, from Paul Moore.
7) Fix CRC errors with jumbo frame receive in tg3 driver, from Nithin
Nayak Sujir.
8) CXGB4 driver sets interrupt coalescing parameters only on first
queue, rather than all of them. Fix from Thadeu Lima de Souza
Cascardo.
9) Fix regression in the dispatch of read/write registers in dm9601
driver, from Tushar Behera.
10) ipv6_append_data miscalculates header length, from Romain KUNTZ.
11) Fix PMTU handling regressions on ipv4 routes, from Steffen
Klassert, Timo Teräs, and Julian Anastasov.
12) In 3c574_cs driver, add necessary parenthesis to "x << y & z"
expression. From Nickolai Zeldovich.
13) macvlan_get_size() causes underallocation netlink message space,
fix from Eric Dumazet.
14) Avoid division by zero in xfrm_replay_advance_bmp(), from Nickolai
Zeldovich. Amusingly the zero check was already there, we were
just performing it after the modulus :-)
15) Some more splice bug fixes from Eric Dumazet, which fix things
mostly eminating from how we now more aggressively use high-order
pages in SKBs.
16) Fix size calculation bug when freeing hash tables in the IPSEC
xfrm code, from Michal Kubecek.
17) Fix PMTU event propagation into socket cached routes, from Steffen
Klassert.
18) Fix off by one in TX buffer release in netxen driver, from Eric
Dumazet.
19) Fix rediculous memory allocation requirements introduced by the
tuntap multiqueue changes, from Jason Wang.
20) Remove bogus AMD platform workaround in r8169 driver that causes
major problems in normal operation, from Timo Teräs.
21) virtio-net set affinity and select queue don't handle
discontiguous cpu numbers properly, fix from Wanlong Gao.
22) Fix a route refcounting issue in loopback driver, from Eric
Dumazet. There's a similar fix coming that we might add to the
macvlan driver as well.
23) Fix SKB leaks in batman-adv's distributed arp table code, from
Matthias Schiffer.
24) r8169 driver gives descriptor ownership back the hardware before
we're done reading the VLAN tag out of it, fix from Francois
Romieu.
25) Checksums not calculated properly in GRE tunnel driver fix from
Pravin B Shelar.
26) Fix SCTP memory leak on namespace exit."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (101 commits)
dm9601: support dm9620 variant
SCTP: Free the per-net sysctl table on net exit. v2
net: phy: icplus: fix broken INTR pin settings
net: phy: icplus: Use the RGMII interface mode to configure clock delays
IP_GRE: Fix kernel panic in IP_GRE with GRE csum.
sctp: set association state to established in dupcook_a handler
ip6mr: limit IPv6 MRT_TABLE identifiers
r8169: fix vlan tag read ordering.
net: cdc_ncm: use IAD provided by the USB core
batman-adv: filter ARP packets with invalid MAC addresses in DAT
batman-adv: check for more types of invalid IP addresses in DAT
batman-adv: fix skb leak in batadv_dat_snoop_incoming_arp_reply()
net: loopback: fix a dst refcounting issue
virtio-net: reset virtqueue affinity when doing cpu hotplug
virtio-net: split out clean affinity function
virtio-net: fix the set affinity bug when CPU IDs are not consecutive
can: pch_can: fix invalid error codes
can: ti_hecc: fix invalid error codes
can: c_can: fix invalid error codes
r8169: remove the obsolete and incorrect AMD workaround
...
Running AIO is pinning inode in memory using file reference. Once AIO
is completed using aio_complete(), file reference is put and inode can
be freed from memory. So we have to be sure that calling aio_complete()
is the last thing we do with the inode.
CC: xfs@oss.sgi.com
CC: Ben Myers <bpm@sgi.com>
CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
When the new inode verify in xfs_iread() fails, the create
transaction is aborted and a shutdown occurs. The subsequent unmount
then hangs in xfs_wait_buftarg() on a buffer that has an elevated
hold count. Debug showed that it was an AGI buffer getting stuck:
[ 22.576147] XFS (vdb): buffer 0x2/0x1, hold 0x2 stuck
[ 22.976213] XFS (vdb): buffer 0x2/0x1, hold 0x2 stuck
[ 23.376206] XFS (vdb): buffer 0x2/0x1, hold 0x2 stuck
[ 23.776325] XFS (vdb): buffer 0x2/0x1, hold 0x2 stuck
The trace of this buffer leading up to the shutdown (trimmed for
brevity) looks like:
xfs_buf_init: bno 0x2 nblks 0x1 hold 1 caller xfs_buf_get_map
xfs_buf_get: bno 0x2 len 0x200 hold 1 caller xfs_buf_read_map
xfs_buf_read: bno 0x2 len 0x200 hold 1 caller xfs_trans_read_buf_map
xfs_buf_iorequest: bno 0x2 nblks 0x1 hold 1 caller _xfs_buf_read
xfs_buf_hold: bno 0x2 nblks 0x1 hold 1 caller xfs_buf_iorequest
xfs_buf_rele: bno 0x2 nblks 0x1 hold 2 caller xfs_buf_iorequest
xfs_buf_iowait: bno 0x2 nblks 0x1 hold 1 caller _xfs_buf_read
xfs_buf_ioerror: bno 0x2 len 0x200 hold 1 caller xfs_buf_bio_end_io
xfs_buf_iodone: bno 0x2 nblks 0x1 hold 1 caller _xfs_buf_ioend
xfs_buf_iowait_done: bno 0x2 nblks 0x1 hold 1 caller _xfs_buf_read
xfs_buf_hold: bno 0x2 nblks 0x1 hold 1 caller xfs_buf_item_init
xfs_trans_read_buf: bno 0x2 len 0x200 hold 2 recur 0 refcount 1
xfs_trans_brelse: bno 0x2 len 0x200 hold 2 recur 0 refcount 1
xfs_buf_item_relse: bno 0x2 nblks 0x1 hold 2 caller xfs_trans_brelse
xfs_buf_rele: bno 0x2 nblks 0x1 hold 2 caller xfs_buf_item_relse
xfs_buf_unlock: bno 0x2 nblks 0x1 hold 1 caller xfs_trans_brelse
xfs_buf_rele: bno 0x2 nblks 0x1 hold 1 caller xfs_trans_brelse
xfs_buf_trylock: bno 0x2 nblks 0x1 hold 2 caller _xfs_buf_find
xfs_buf_find: bno 0x2 len 0x200 hold 2 caller xfs_buf_get_map
xfs_buf_get: bno 0x2 len 0x200 hold 2 caller xfs_buf_read_map
xfs_buf_read: bno 0x2 len 0x200 hold 2 caller xfs_trans_read_buf_map
xfs_buf_hold: bno 0x2 nblks 0x1 hold 2 caller xfs_buf_item_init
xfs_trans_read_buf: bno 0x2 len 0x200 hold 3 recur 0 refcount 1
xfs_trans_log_buf: bno 0x2 len 0x200 hold 3 recur 0 refcount 1
xfs_buf_item_unlock: bno 0x2 len 0x200 hold 3 flags DIRTY liflags ABORTED
xfs_buf_unlock: bno 0x2 nblks 0x1 hold 3 caller xfs_buf_item_unlock
xfs_buf_rele: bno 0x2 nblks 0x1 hold 3 caller xfs_buf_item_unlock
And that is the AGI buffer from cold cache read into memory to
transaction abort. You can see at transaction abort the bli is dirty
and only has a single reference. The item is not pinned, and it's
not in the AIL. Hence the only reference to it is this transaction.
The problem is that the xfs_buf_item_unlock() call is dropping the
last reference to the xfs_buf_log_item attached to the buffer (which
holds a reference to the buffer), but it is not freeing the
xfs_buf_log_item. Hence nothing will ever release the buffer, and
the unmount hangs waiting for this reference to go away.
The fix is simple - xfs_buf_item_unlock needs to detect the last
reference going away in this case and free the xfs_buf_log_item to
release the reference it holds on the buffer.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
There is a window on small filesytsems where specualtive
preallocation can be larger than that ENOSPC throttling thresholds,
resulting in specualtive preallocation trying to reserve more space
than there is space available. This causes immediate ENOSPC to be
triggered, prealloc to be turned off and flushing to occur. One the
next write (i.e. next 4k page), we do exactly the same thing, and so
effective drive into synchronous 4k writes by triggering ENOSPC
flushing on every page while in the window between the prealloc size
and the ENOSPC prealloc throttle threshold.
Fix this by checking to see if the prealloc size would consume all
free space, and throttle it appropriately to avoid premature
ENOSPC...
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
When _xfs_buf_find is passed an out of range address, it will fail
to find a relevant struct xfs_perag and oops with a null
dereference. This can happen when trying to walk a filesystem with a
metadata inode that has a partially corrupted extent map (i.e. the
block number returned is corrupt, but is otherwise intact) and we
try to read from the corrupted block address.
In this case, just fail the lookup. If it is readahead being issued,
it will simply not be done, but if it is real read that fails we
will get an error being reported. Ideally this case should result
in an EFSCORRUPTED error being reported, but we cannot return an
error through xfs_buf_read() or xfs_buf_get() so this lookup failure
may result in ENOMEM or EIO errors being reported instead.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
The stack_switch check currently occurs in __xfs_bmapi_allocate,
which means the stack switch only occurs when xfs_bmapi_allocate()
is called in a loop. Pull the check up before the loop in
xfs_bmapi_write() such that the first iteration of the loop has
consistent behavior.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
9802182 changed the return value from EWRONGFS (aka EINVAL)
to EFSCORRUPTED which doesn't seem to be handled properly by
the root filesystem probe.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Tested-by: Sergei Trofimovich <slyfox@gentoo.org>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
The IOMMU may stop processing page translations due to a perceived lack
of credits for writing upstream peripheral page service request (PPR)
or event logs. If the L2B miscellaneous clock gating feature is enabled
the IOMMU does not properly register credits after the log request has
completed, leading to a potential system hang.
BIOSes are supposed to disable L2B micellaneous clock gating by setting
L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b. This
patch corrects that for those which do not enable this workaround.
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Joerg Roedel <joro@8bytes.org>
I get the following warning every day with v3.7, once or
twice a day:
[ 2235.186027] WARNING: at /mnt/sda7/kernel/linux/arch/x86/kernel/apic/ipi.c:109 default_send_IPI_mask_logical+0x2f/0xb8()
As explained by Linus as well:
|
| Once we've done the "list_add_rcu()" to add it to the
| queue, we can have (another) IPI to the target CPU that can
| now see it and clear the mask.
|
| So by the time we get to actually send the IPI, the mask might
| have been cleared by another IPI.
|
This patch also fixes a system hang problem, if the data->cpumask
gets cleared after passing this point:
if (WARN_ONCE(!mask, "empty IPI mask"))
return;
then the problem in commit 83d349f35e ("x86: don't send an IPI to
the empty set of CPU's") will happen again.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Jan Beulich <jbeulich@suse.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: peterz@infradead.org
Cc: mina86@mina86.org
Cc: srivatsa.bhat@linux.vnet.ibm.com
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20130126075357.GA3205@udknight
[ Tidied up the changelog and the comment in the code. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The recent commit fb6791d100
included the wrong logic. The lvbptr check was incorrectly
added after the patch was tested.
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
When building modules with CONFIG_SND_IMX_SOC=m in imx_v6_v7_defconfig,
we will see the following link error.
LD [M] sound/soc/fsl/snd-soc-fsl-ssi.o
LD [M] sound/soc/fsl/snd-soc-fsl-utils.o
LD [M] sound/soc/fsl/snd-soc-imx-ssi.o
LD [M] sound/soc/fsl/snd-soc-imx-audmux.o
LD [M] sound/soc/fsl/snd-soc-imx-pcm.o
sound/soc/fsl/imx-pcm-dma.o: In function `init_module':
imx-pcm-dma.c:(.init.text+0x0): multiple definition of `init_module'
sound/soc/fsl/imx-pcm-fiq.o:imx-pcm-fiq.c:(.init.text+0x0): first defined here
sound/soc/fsl/imx-pcm-dma.o: In function `cleanup_module':
imx-pcm-dma.c:(.exit.text+0x0): multiple definition of `cleanup_module'
sound/soc/fsl/imx-pcm-fiq.o:imx-pcm-fiq.c:(.exit.text+0x0): first defined here
make[4]: *** [sound/soc/fsl/snd-soc-imx-pcm.o] Error 1
The module snd-soc-imx-pcm is designed to link imx-pcm.o with
imx-pcm-dma.o or imx-pcm-fiq.o depending on if option SND_SOC_IMX_PCM_DMA
or SND_SOC_IMX_PCM_FIQ is enabled. Both imx-pcm-dma and imx-pcm-fiq
register their own module_platform_driver. However, these two options
are not mutually exclusive and can be enabled together. And that's
why we see above multiple init_module definition error.
Instead of having both imx-pcm-dma and imx-pcm-fiq register their
own platform_driver, we should do only once in imx-pcm.c. Using
platform_device_id to distinguish between imx-pcm-dma and imx-pcm-fiq,
we can run-time call imx-pcm-dma/fiq specific initialization in .probe
hook to have module snd-soc-imx-pcm work for both cases.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This reverts commit 25b8d31488.
While the commit fixes multiple init_module definition error with
module build, it breaks build when both imx-pcm-fiq and imx-pcm-dma
are built in as below.
LD sound/soc/fsl/snd-soc-fsl-ssi.o
LD sound/soc/fsl/snd-soc-fsl-utils.o
LD sound/soc/fsl/snd-soc-imx-ssi.o
LD sound/soc/fsl/snd-soc-imx-audmux.o
LD sound/soc/fsl/snd-soc-imx-pcm-fiq.o
LD sound/soc/fsl/snd-soc-imx-pcm-dma.o
LD sound/soc/fsl/snd-soc-eukrea-tlv320.o
LD sound/soc/fsl/snd-soc-imx-sgtl5000.o
LD sound/soc/fsl/snd-soc-imx-mc13783.o
LD sound/soc/fsl/built-in.o
sound/soc/fsl/snd-soc-imx-pcm-dma.o: In function `imx_pcm_free':
imx-pcm.c:(.text+0x464): multiple definition of `imx_pcm_free'
sound/soc/fsl/snd-soc-imx-pcm-fiq.o:imx-pcm-fiq.c:(.text+0x1a8): first defined here
sound/soc/fsl/snd-soc-imx-pcm-dma.o: In function `snd_imx_pcm_mmap':
imx-pcm.c:(.text+0x35c): multiple definition of `snd_imx_pcm_mmap'
sound/soc/fsl/snd-soc-imx-pcm-fiq.o:imx-pcm-fiq.c:(.text+0xa0): first defined here
sound/soc/fsl/snd-soc-imx-pcm-dma.o: In function `imx_pcm_new':
imx-pcm.c:(.text+0x3dc): multiple definition of `imx_pcm_new'
sound/soc/fsl/snd-soc-imx-pcm-fiq.o:imx-pcm-fiq.c:(.text+0x120): first defined here
make[4]: *** [sound/soc/fsl/built-in.o] Error 1
Let's revert the commit and find a proper fix for multiple init_module
definition error later.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
dm9620 is a newer variant of dm9601 with more features (usb 2.0, checksum
offload, ..), but it can also be put in a dm9601 compatible mode, allowing
us to reuse the existing driver.
This does mean that the extended features like checksum offload cannot be
used, but that's hardly critical on a 100mbps interface.
Thanks to Sławek Wernikowski <slawek@wernikowski.net> for providing me
with a dm9620 based device to test.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the setting of the INTR pin that is
valid for IP101 A/G device and not for the IP1001.
Reported-by: Anunay Saxena <anunay.saxena@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Like several other PHY devices which support RGMII, the IC+1001 allows
additional delays to by added to the RX_CLK and TX_CLK signals to
compensate for skew between the clock and data signals. Previously this
was always enabled, but this change makes use of the different RGMII
interface modes to allow the user to specify whether this should be
enabled.
Signed-off-by: Stuart Menefy <stuart.menefy@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
